トロイダル巻を用いた多極コンシクエントポール型ベアリングレスモータの磁気支持特性

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タイトル別名
  • Suspension Characteristics of Multi-Consequent-Pole Bearingless Motor with Toroidal Windings
  • トロイダルカン オ モチイタ タキョク コンシクエントポールガタ ベアリングレスモータ ノ ジキ シジ トクセイ

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抄録

Multi-consequent-pole bearingless motors can be used in low-speed rotating and swinging stages (or platforms) under specific conditions. A test machine has been designed and built. In this machine, two axes of freedom are actively controlled in the radial x-y directions. The suspension windings are of a novel toroidal type, in which coils are wound around the stator yoke. The windings realize a short axial length because the coil end-windings are compact. In the design process, the leakage fluxes and magnetic saturation are considered using a three-dimensional finite element analysis. Then, a test machine has been constructed and tested. The rotor was successfully suspended, and its suspension characteristics are presented in this paper.

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